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*       www.FindStat.org - The Combinatorial Statistic Finder               *
*                                                                           *
*       Copyright (C) 2019 The FindStatCrew <info@findstat.org>             *
*                                                                           *
*    This information is distributed in the hope that it will be useful,    *
*    but WITHOUT ANY WARRANTY; without even the implied warranty of         *
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                   *
*****************************************************************************

-----------------------------------------------------------------------------
Statistic identifier: St000807

-----------------------------------------------------------------------------
Collection: Integer compositions

-----------------------------------------------------------------------------
Description: The sum of the heights of the valleys of the associated bargraph.

Interpret the composition as the sequence of heights of the bars of a bargraph. A valley is a contiguous subsequence consisting of an up step, a sequence of horizontal steps, and a down step.  This statistic is the sum of the heights of the valleys.

-----------------------------------------------------------------------------
References: [1]   Deutsch, E., Elizalde, S. A bijection between bargraphs and Dyck paths [[arXiv:1705.05984]]

-----------------------------------------------------------------------------
Code:
def statistic(c):
    v = 0
    found_DH = False
    for i in range(1,len(c)):
        if found_DH:
            if c[i] > c[i-1]:
                found_DH = False
                v += c[i-1]
        else:
            if c[i] < c[i-1]:
                found_DH = True
    return v

-----------------------------------------------------------------------------
Statistic values:

[1]                       => 0
[1,1]                     => 0
[2]                       => 0
[1,1,1]                   => 0
[1,2]                     => 0
[2,1]                     => 0
[3]                       => 0
[1,1,1,1]                 => 0
[1,1,2]                   => 0
[1,2,1]                   => 0
[1,3]                     => 0
[2,1,1]                   => 0
[2,2]                     => 0
[3,1]                     => 0
[4]                       => 0
[1,1,1,1,1]               => 0
[1,1,1,2]                 => 0
[1,1,2,1]                 => 0
[1,1,3]                   => 0
[1,2,1,1]                 => 0
[1,2,2]                   => 0
[1,3,1]                   => 0
[1,4]                     => 0
[2,1,1,1]                 => 0
[2,1,2]                   => 1
[2,2,1]                   => 0
[2,3]                     => 0
[3,1,1]                   => 0
[3,2]                     => 0
[4,1]                     => 0
[5]                       => 0
[1,1,1,1,1,1]             => 0
[1,1,1,1,2]               => 0
[1,1,1,2,1]               => 0
[1,1,1,3]                 => 0
[1,1,2,1,1]               => 0
[1,1,2,2]                 => 0
[1,1,3,1]                 => 0
[1,1,4]                   => 0
[1,2,1,1,1]               => 0
[1,2,1,2]                 => 1
[1,2,2,1]                 => 0
[1,2,3]                   => 0
[1,3,1,1]                 => 0
[1,3,2]                   => 0
[1,4,1]                   => 0
[1,5]                     => 0
[2,1,1,1,1]               => 0
[2,1,1,2]                 => 1
[2,1,2,1]                 => 1
[2,1,3]                   => 1
[2,2,1,1]                 => 0
[2,2,2]                   => 0
[2,3,1]                   => 0
[2,4]                     => 0
[3,1,1,1]                 => 0
[3,1,2]                   => 1
[3,2,1]                   => 0
[3,3]                     => 0
[4,1,1]                   => 0
[4,2]                     => 0
[5,1]                     => 0
[6]                       => 0
[1,1,1,1,1,1,1]           => 0
[1,1,1,1,1,2]             => 0
[1,1,1,1,2,1]             => 0
[1,1,1,1,3]               => 0
[1,1,1,2,1,1]             => 0
[1,1,1,2,2]               => 0
[1,1,1,3,1]               => 0
[1,1,1,4]                 => 0
[1,1,2,1,1,1]             => 0
[1,1,2,1,2]               => 1
[1,1,2,2,1]               => 0
[1,1,2,3]                 => 0
[1,1,3,1,1]               => 0
[1,1,3,2]                 => 0
[1,1,4,1]                 => 0
[1,1,5]                   => 0
[1,2,1,1,1,1]             => 0
[1,2,1,1,2]               => 1
[1,2,1,2,1]               => 1
[1,2,1,3]                 => 1
[1,2,2,1,1]               => 0
[1,2,2,2]                 => 0
[1,2,3,1]                 => 0
[1,2,4]                   => 0
[1,3,1,1,1]               => 0
[1,3,1,2]                 => 1
[1,3,2,1]                 => 0
[1,3,3]                   => 0
[1,4,1,1]                 => 0
[1,4,2]                   => 0
[1,5,1]                   => 0
[1,6]                     => 0
[2,1,1,1,1,1]             => 0
[2,1,1,1,2]               => 1
[2,1,1,2,1]               => 1
[2,1,1,3]                 => 1
[2,1,2,1,1]               => 1
[2,1,2,2]                 => 1
[2,1,3,1]                 => 1
[2,1,4]                   => 1
[2,2,1,1,1]               => 0
[2,2,1,2]                 => 1
[2,2,2,1]                 => 0
[2,2,3]                   => 0
[2,3,1,1]                 => 0
[2,3,2]                   => 0
[2,4,1]                   => 0
[2,5]                     => 0
[3,1,1,1,1]               => 0
[3,1,1,2]                 => 1
[3,1,2,1]                 => 1
[3,1,3]                   => 1
[3,2,1,1]                 => 0
[3,2,2]                   => 0
[3,3,1]                   => 0
[3,4]                     => 0
[4,1,1,1]                 => 0
[4,1,2]                   => 1
[4,2,1]                   => 0
[4,3]                     => 0
[5,1,1]                   => 0
[5,2]                     => 0
[6,1]                     => 0
[7]                       => 0
[1,1,1,1,1,1,1,1]         => 0
[1,1,1,1,1,1,2]           => 0
[1,1,1,1,1,2,1]           => 0
[1,1,1,1,1,3]             => 0
[1,1,1,1,2,1,1]           => 0
[1,1,1,1,2,2]             => 0
[1,1,1,1,3,1]             => 0
[1,1,1,1,4]               => 0
[1,1,1,2,1,1,1]           => 0
[1,1,1,2,1,2]             => 1
[1,1,1,2,2,1]             => 0
[1,1,1,2,3]               => 0
[1,1,1,3,1,1]             => 0
[1,1,1,3,2]               => 0
[1,1,1,4,1]               => 0
[1,1,1,5]                 => 0
[1,1,2,1,1,1,1]           => 0
[1,1,2,1,1,2]             => 1
[1,1,2,1,2,1]             => 1
[1,1,2,1,3]               => 1
[1,1,2,2,1,1]             => 0
[1,1,2,2,2]               => 0
[1,1,2,3,1]               => 0
[1,1,2,4]                 => 0
[1,1,3,1,1,1]             => 0
[1,1,3,1,2]               => 1
[1,1,3,2,1]               => 0
[1,1,3,3]                 => 0
[1,1,4,1,1]               => 0
[1,1,4,2]                 => 0
[1,1,5,1]                 => 0
[1,1,6]                   => 0
[1,2,1,1,1,1,1]           => 0
[1,2,1,1,1,2]             => 1
[1,2,1,1,2,1]             => 1
[1,2,1,1,3]               => 1
[1,2,1,2,1,1]             => 1
[1,2,1,2,2]               => 1
[1,2,1,3,1]               => 1
[1,2,1,4]                 => 1
[1,2,2,1,1,1]             => 0
[1,2,2,1,2]               => 1
[1,2,2,2,1]               => 0
[1,2,2,3]                 => 0
[1,2,3,1,1]               => 0
[1,2,3,2]                 => 0
[1,2,4,1]                 => 0
[1,2,5]                   => 0
[1,3,1,1,1,1]             => 0
[1,3,1,1,2]               => 1
[1,3,1,2,1]               => 1
[1,3,1,3]                 => 1
[1,3,2,1,1]               => 0
[1,3,2,2]                 => 0
[1,3,3,1]                 => 0
[1,3,4]                   => 0
[1,4,1,1,1]               => 0
[1,4,1,2]                 => 1
[1,4,2,1]                 => 0
[1,4,3]                   => 0
[1,5,1,1]                 => 0
[1,5,2]                   => 0
[1,6,1]                   => 0
[1,7]                     => 0
[2,1,1,1,1,1,1]           => 0
[2,1,1,1,1,2]             => 1
[2,1,1,1,2,1]             => 1
[2,1,1,1,3]               => 1
[2,1,1,2,1,1]             => 1
[2,1,1,2,2]               => 1
[2,1,1,3,1]               => 1
[2,1,1,4]                 => 1
[2,1,2,1,1,1]             => 1
[2,1,2,1,2]               => 2
[2,1,2,2,1]               => 1
[2,1,2,3]                 => 1
[2,1,3,1,1]               => 1
[2,1,3,2]                 => 1
[2,1,4,1]                 => 1
[2,1,5]                   => 1
[2,2,1,1,1,1]             => 0
[2,2,1,1,2]               => 1
[2,2,1,2,1]               => 1
[2,2,1,3]                 => 1
[2,2,2,1,1]               => 0
[2,2,2,2]                 => 0
[2,2,3,1]                 => 0
[2,2,4]                   => 0
[2,3,1,1,1]               => 0
[2,3,1,2]                 => 1
[2,3,2,1]                 => 0
[2,3,3]                   => 0
[2,4,1,1]                 => 0
[2,4,2]                   => 0
[2,5,1]                   => 0
[2,6]                     => 0
[3,1,1,1,1,1]             => 0
[3,1,1,1,2]               => 1
[3,1,1,2,1]               => 1
[3,1,1,3]                 => 1
[3,1,2,1,1]               => 1
[3,1,2,2]                 => 1
[3,1,3,1]                 => 1
[3,1,4]                   => 1
[3,2,1,1,1]               => 0
[3,2,1,2]                 => 1
[3,2,2,1]                 => 0
[3,2,3]                   => 2
[3,3,1,1]                 => 0
[3,3,2]                   => 0
[3,4,1]                   => 0
[3,5]                     => 0
[4,1,1,1,1]               => 0
[4,1,1,2]                 => 1
[4,1,2,1]                 => 1
[4,1,3]                   => 1
[4,2,1,1]                 => 0
[4,2,2]                   => 0
[4,3,1]                   => 0
[4,4]                     => 0
[5,1,1,1]                 => 0
[5,1,2]                   => 1
[5,2,1]                   => 0
[5,3]                     => 0
[6,1,1]                   => 0
[6,2]                     => 0
[7,1]                     => 0
[8]                       => 0
[1,1,1,1,1,1,1,1,1]       => 0
[1,1,1,1,1,1,1,2]         => 0
[1,1,1,1,1,1,2,1]         => 0
[1,1,1,1,1,1,3]           => 0
[1,1,1,1,1,2,1,1]         => 0
[1,1,1,1,1,2,2]           => 0
[1,1,1,1,1,3,1]           => 0
[1,1,1,1,1,4]             => 0
[1,1,1,1,2,1,1,1]         => 0
[1,1,1,1,2,1,2]           => 1
[1,1,1,1,2,2,1]           => 0
[1,1,1,1,2,3]             => 0
[1,1,1,1,3,1,1]           => 0
[1,1,1,1,3,2]             => 0
[1,1,1,1,4,1]             => 0
[1,1,1,1,5]               => 0
[1,1,1,2,1,1,1,1]         => 0
[1,1,1,2,1,1,2]           => 1
[1,1,1,2,1,2,1]           => 1
[1,1,1,2,1,3]             => 1
[1,1,1,2,2,1,1]           => 0
[1,1,1,2,2,2]             => 0
[1,1,1,2,3,1]             => 0
[1,1,1,2,4]               => 0
[1,1,1,3,1,1,1]           => 0
[1,1,1,3,1,2]             => 1
[1,1,1,3,2,1]             => 0
[1,1,1,3,3]               => 0
[1,1,1,4,1,1]             => 0
[1,1,1,4,2]               => 0
[1,1,1,5,1]               => 0
[1,1,1,6]                 => 0
[1,1,2,1,1,1,1,1]         => 0
[1,1,2,1,1,1,2]           => 1
[1,1,2,1,1,2,1]           => 1
[1,1,2,1,1,3]             => 1
[1,1,2,1,2,1,1]           => 1
[1,1,2,1,2,2]             => 1
[1,1,2,1,3,1]             => 1
[1,1,2,1,4]               => 1
[1,1,2,2,1,1,1]           => 0
[1,1,2,2,1,2]             => 1
[1,1,2,2,2,1]             => 0
[1,1,2,2,3]               => 0
[1,1,2,3,1,1]             => 0
[1,1,2,3,2]               => 0
[1,1,2,4,1]               => 0
[1,1,2,5]                 => 0
[1,1,3,1,1,1,1]           => 0
[1,1,3,1,1,2]             => 1
[1,1,3,1,2,1]             => 1
[1,1,3,1,3]               => 1
[1,1,3,2,1,1]             => 0
[1,1,3,2,2]               => 0
[1,1,3,3,1]               => 0
[1,1,3,4]                 => 0
[1,1,4,1,1,1]             => 0
[1,1,4,1,2]               => 1
[1,1,4,2,1]               => 0
[1,1,4,3]                 => 0
[1,1,5,1,1]               => 0
[1,1,5,2]                 => 0
[1,1,6,1]                 => 0
[1,1,7]                   => 0
[1,2,1,1,1,1,1,1]         => 0
[1,2,1,1,1,1,2]           => 1
[1,2,1,1,1,2,1]           => 1
[1,2,1,1,1,3]             => 1
[1,2,1,1,2,1,1]           => 1
[1,2,1,1,2,2]             => 1
[1,2,1,1,3,1]             => 1
[1,2,1,1,4]               => 1
[1,2,1,2,1,1,1]           => 1
[1,2,1,2,1,2]             => 2
[1,2,1,2,2,1]             => 1
[1,2,1,2,3]               => 1
[1,2,1,3,1,1]             => 1
[1,2,1,3,2]               => 1
[1,2,1,4,1]               => 1
[1,2,1,5]                 => 1
[1,2,2,1,1,1,1]           => 0
[1,2,2,1,1,2]             => 1
[1,2,2,1,2,1]             => 1
[1,2,2,1,3]               => 1
[1,2,2,2,1,1]             => 0
[1,2,2,2,2]               => 0
[1,2,2,3,1]               => 0
[1,2,2,4]                 => 0
[1,2,3,1,1,1]             => 0
[1,2,3,1,2]               => 1
[1,2,3,2,1]               => 0
[1,2,3,3]                 => 0
[1,2,4,1,1]               => 0
[1,2,4,2]                 => 0
[1,2,5,1]                 => 0
[1,2,6]                   => 0
[1,3,1,1,1,1,1]           => 0
[1,3,1,1,1,2]             => 1
[1,3,1,1,2,1]             => 1
[1,3,1,1,3]               => 1
[1,3,1,2,1,1]             => 1
[1,3,1,2,2]               => 1
[1,3,1,3,1]               => 1
[1,3,1,4]                 => 1
[1,3,2,1,1,1]             => 0
[1,3,2,1,2]               => 1
[1,3,2,2,1]               => 0
[1,3,2,3]                 => 2
[1,3,3,1,1]               => 0
[1,3,3,2]                 => 0
[1,3,4,1]                 => 0
[1,3,5]                   => 0
[1,4,1,1,1,1]             => 0
[1,4,1,1,2]               => 1
[1,4,1,2,1]               => 1
[1,4,1,3]                 => 1
[1,4,2,1,1]               => 0
[1,4,2,2]                 => 0
[1,4,3,1]                 => 0
[1,4,4]                   => 0
[1,5,1,1,1]               => 0
[1,5,1,2]                 => 1
[1,5,2,1]                 => 0
[1,5,3]                   => 0
[1,6,1,1]                 => 0
[1,6,2]                   => 0
[1,7,1]                   => 0
[1,8]                     => 0
[2,1,1,1,1,1,1,1]         => 0
[2,1,1,1,1,1,2]           => 1
[2,1,1,1,1,2,1]           => 1
[2,1,1,1,1,3]             => 1
[2,1,1,1,2,1,1]           => 1
[2,1,1,1,2,2]             => 1
[2,1,1,1,3,1]             => 1
[2,1,1,1,4]               => 1
[2,1,1,2,1,1,1]           => 1
[2,1,1,2,1,2]             => 2
[2,1,1,2,2,1]             => 1
[2,1,1,2,3]               => 1
[2,1,1,3,1,1]             => 1
[2,1,1,3,2]               => 1
[2,1,1,4,1]               => 1
[2,1,1,5]                 => 1
[2,1,2,1,1,1,1]           => 1
[2,1,2,1,1,2]             => 2
[2,1,2,1,2,1]             => 2
[2,1,2,1,3]               => 2
[2,1,2,2,1,1]             => 1
[2,1,2,2,2]               => 1
[2,1,2,3,1]               => 1
[2,1,2,4]                 => 1
[2,1,3,1,1,1]             => 1
[2,1,3,1,2]               => 2
[2,1,3,2,1]               => 1
[2,1,3,3]                 => 1
[2,1,4,1,1]               => 1
[2,1,4,2]                 => 1
[2,1,5,1]                 => 1
[2,1,6]                   => 1
[2,2,1,1,1,1,1]           => 0
[2,2,1,1,1,2]             => 1
[2,2,1,1,2,1]             => 1
[2,2,1,1,3]               => 1
[2,2,1,2,1,1]             => 1
[2,2,1,2,2]               => 1
[2,2,1,3,1]               => 1
[2,2,1,4]                 => 1
[2,2,2,1,1,1]             => 0
[2,2,2,1,2]               => 1
[2,2,2,2,1]               => 0
[2,2,2,3]                 => 0
[2,2,3,1,1]               => 0
[2,2,3,2]                 => 0
[2,2,4,1]                 => 0
[2,2,5]                   => 0
[2,3,1,1,1,1]             => 0
[2,3,1,1,2]               => 1
[2,3,1,2,1]               => 1
[2,3,1,3]                 => 1
[2,3,2,1,1]               => 0
[2,3,2,2]                 => 0
[2,3,3,1]                 => 0
[2,3,4]                   => 0
[2,4,1,1,1]               => 0
[2,4,1,2]                 => 1
[2,4,2,1]                 => 0
[2,4,3]                   => 0
[2,5,1,1]                 => 0
[2,5,2]                   => 0
[2,6,1]                   => 0
[2,7]                     => 0
[3,1,1,1,1,1,1]           => 0
[3,1,1,1,1,2]             => 1
[3,1,1,1,2,1]             => 1
[3,1,1,1,3]               => 1
[3,1,1,2,1,1]             => 1
[3,1,1,2,2]               => 1
[3,1,1,3,1]               => 1
[3,1,1,4]                 => 1
[3,1,2,1,1,1]             => 1
[3,1,2,1,2]               => 2
[3,1,2,2,1]               => 1
[3,1,2,3]                 => 1
[3,1,3,1,1]               => 1
[3,1,3,2]                 => 1
[3,1,4,1]                 => 1
[3,1,5]                   => 1
[3,2,1,1,1,1]             => 0
[3,2,1,1,2]               => 1
[3,2,1,2,1]               => 1
[3,2,1,3]                 => 1
[3,2,2,1,1]               => 0
[3,2,2,2]                 => 0
[3,2,3,1]                 => 2
[3,2,4]                   => 2
[3,3,1,1,1]               => 0
[3,3,1,2]                 => 1
[3,3,2,1]                 => 0
[3,3,3]                   => 0
[3,4,1,1]                 => 0
[3,4,2]                   => 0
[3,5,1]                   => 0
[3,6]                     => 0
[4,1,1,1,1,1]             => 0
[4,1,1,1,2]               => 1
[4,1,1,2,1]               => 1
[4,1,1,3]                 => 1
[4,1,2,1,1]               => 1
[4,1,2,2]                 => 1
[4,1,3,1]                 => 1
[4,1,4]                   => 1
[4,2,1,1,1]               => 0
[4,2,1,2]                 => 1
[4,2,2,1]                 => 0
[4,2,3]                   => 2
[4,3,1,1]                 => 0
[4,3,2]                   => 0
[4,4,1]                   => 0
[4,5]                     => 0
[5,1,1,1,1]               => 0
[5,1,1,2]                 => 1
[5,1,2,1]                 => 1
[5,1,3]                   => 1
[5,2,1,1]                 => 0
[5,2,2]                   => 0
[5,3,1]                   => 0
[5,4]                     => 0
[6,1,1,1]                 => 0
[6,1,2]                   => 1
[6,2,1]                   => 0
[6,3]                     => 0
[7,1,1]                   => 0
[7,2]                     => 0
[8,1]                     => 0
[9]                       => 0
[1,1,1,1,1,1,1,1,1,1]     => 0
[1,1,1,1,1,1,2,2]         => 0
[1,1,1,1,2,1,1,2]         => 1
[1,1,1,1,2,2,1,1]         => 0
[1,1,1,1,3,3]             => 0
[1,1,1,1,5,1]             => 0
[1,1,2,1,1,1,1,2]         => 1
[1,1,2,1,1,2,1,1]         => 1
[1,1,2,1,2,3]             => 1
[1,1,2,2,1,1,1,1]         => 0
[1,1,2,2,2,2]             => 0
[1,1,3,1,1,3]             => 1
[1,1,3,2,1,2]             => 1
[1,1,3,3,1,1]             => 0
[1,1,4,4]                 => 0
[1,1,7,1]                 => 0
[1,2,1,1,4,1]             => 1
[1,2,6,1]                 => 0
[1,3,1,1,3,1]             => 1
[1,3,5,1]                 => 0
[1,4,1,1,2,1]             => 1
[1,4,4,1]                 => 0
[1,5,1,1,1,1]             => 0
[1,5,3,1]                 => 0
[1,6,1,2]                 => 1
[1,6,2,1]                 => 0
[1,7,1,1]                 => 0
[1,8,1]                   => 0
[1,9]                     => 0
[2,1,1,1,1,1,1,2]         => 1
[2,1,1,1,1,2,1,1]         => 1
[2,1,1,1,2,3]             => 1
[2,1,1,2,1,1,1,1]         => 1
[2,1,1,2,2,2]             => 1
[2,1,2,1,1,3]             => 2
[2,1,2,2,1,2]             => 2
[2,1,2,3,1,1]             => 1
[2,1,3,4]                 => 1
[2,1,6,1]                 => 1
[2,2,1,1,1,1,1,1]         => 0
[2,2,1,1,2,2]             => 1
[2,2,2,1,1,2]             => 1
[2,2,2,2,1,1]             => 0
[2,2,3,3]                 => 0
[3,1,1,1,1,3]             => 1
[3,1,1,2,1,2]             => 2
[3,1,1,3,1,1]             => 1
[3,1,2,4]                 => 1
[3,2,1,1,1,2]             => 1
[3,2,1,2,1,1]             => 1
[3,2,2,3]                 => 2
[3,3,1,1,1,1]             => 0
[3,3,2,2]                 => 0
[4,1,1,4]                 => 1
[4,2,1,3]                 => 1
[4,3,1,2]                 => 1
[4,4,1,1]                 => 0
[5,5]                     => 0
[8,1,1]                   => 0
[9,1]                     => 0
[1,10]                    => 0
[1,8,1,1]                 => 0
[1,7,2,1]                 => 0
[1,6,3,1]                 => 0
[1,5,4,1]                 => 0
[1,4,5,1]                 => 0
[1,3,6,1]                 => 0
[1,2,7,1]                 => 0
[1,1,8,1]                 => 0
[10,1]                    => 0
[1,1,1,1,1,1,1,1,1,1,1,1] => 0
[1,1,1,1,1,1,1,1,2,2]     => 0
[1,1,1,1,1,1,2,2,1,1]     => 0
[1,1,1,1,1,1,2,1,1,2]     => 1
[1,1,1,1,1,1,3,3]         => 0
[1,1,1,1,2,2,1,1,1,1]     => 0
[1,1,1,1,2,2,2,2]         => 0
[1,1,1,1,2,1,1,2,1,1]     => 1
[1,1,1,1,2,1,1,1,1,2]     => 1
[1,1,1,1,2,1,2,3]         => 1
[1,1,1,1,3,3,1,1]         => 0
[1,1,1,1,3,2,1,2]         => 1
[1,1,1,1,3,1,1,3]         => 1
[1,1,1,1,4,4]             => 0
[1,1,2,2,1,1,1,1,1,1]     => 0
[1,1,2,2,1,1,2,2]         => 1
[1,1,2,2,2,2,1,1]         => 0
[1,1,2,2,2,1,1,2]         => 1
[1,1,2,2,3,3]             => 0
[1,1,2,1,1,2,1,1,1,1]     => 1
[1,1,2,1,1,2,2,2]         => 1
[1,1,2,1,1,1,1,2,1,1]     => 1
[1,1,2,1,1,1,1,1,1,2]     => 1
[1,1,2,1,1,1,2,3]         => 1
[1,1,2,1,2,3,1,1]         => 1
[1,1,2,1,2,2,1,2]         => 2
[1,1,2,1,2,1,1,3]         => 2
[1,1,2,1,3,4]             => 1
[1,1,3,3,1,1,1,1]         => 0
[1,1,3,3,2,2]             => 0
[1,1,3,2,1,2,1,1]         => 1
[1,1,3,2,1,1,1,2]         => 1
[1,1,3,2,2,3]             => 2
[1,1,3,1,1,3,1,1]         => 1
[1,1,3,1,1,2,1,2]         => 2
[1,1,3,1,1,1,1,3]         => 1
[1,1,3,1,2,4]             => 1
[1,1,4,4,1,1]             => 0
[1,1,4,3,1,2]             => 1
[1,1,4,2,1,3]             => 1
[1,1,4,1,1,4]             => 1
[1,1,5,5]                 => 0
[2,2,1,1,1,1,1,1,1,1]     => 0
[2,2,1,1,1,1,2,2]         => 1
[2,2,1,1,2,2,1,1]         => 1
[2,2,1,1,2,1,1,2]         => 2
[2,2,1,1,3,3]             => 1
[2,2,2,2,1,1,1,1]         => 0
[2,2,2,2,2,2]             => 0
[2,2,2,1,1,2,1,1]         => 1
[2,2,2,1,1,1,1,2]         => 1
[2,2,2,1,2,3]             => 1
[2,2,3,3,1,1]             => 0
[2,2,3,2,1,2]             => 1
[2,2,3,1,1,3]             => 1
[2,2,4,4]                 => 0
[2,1,1,2,1,1,1,1,1,1]     => 1
[2,1,1,2,1,1,2,2]         => 2
[2,1,1,2,2,2,1,1]         => 1
[2,1,1,2,2,1,1,2]         => 2
[2,1,1,2,3,3]             => 1
[2,1,1,1,1,2,1,1,1,1]     => 1
[2,1,1,1,1,2,2,2]         => 1
[2,1,1,1,1,1,1,2,1,1]     => 1
[2,1,1,1,1,1,1,1,1,2]     => 1
[2,1,1,1,1,1,2,3]         => 1
[2,1,1,1,2,3,1,1]         => 1
[2,1,1,1,2,2,1,2]         => 2
[2,1,1,1,2,1,1,3]         => 2
[2,1,1,1,3,4]             => 1
[2,1,2,3,1,1,1,1]         => 1
[2,1,2,3,2,2]             => 1
[2,1,2,2,1,2,1,1]         => 2
[2,1,2,2,1,1,1,2]         => 2
[2,1,2,2,2,3]             => 1
[2,1,2,1,1,3,1,1]         => 2
[2,1,2,1,1,2,1,2]         => 3
[2,1,2,1,1,1,1,3]         => 2
[2,1,2,1,2,4]             => 2
[2,1,3,4,1,1]             => 1
[2,1,3,3,1,2]             => 2
[2,1,3,2,1,3]             => 2
[2,1,3,1,1,4]             => 2
[2,1,4,5]                 => 1
[3,3,1,1,1,1,1,1]         => 0
[3,3,1,1,2,2]             => 1
[3,3,2,2,1,1]             => 0
[3,3,2,1,1,2]             => 1
[3,3,3,3]                 => 0
[3,2,1,2,1,1,1,1]         => 1
[3,2,1,2,2,2]             => 1
[3,2,1,1,1,2,1,1]         => 1
[3,2,1,1,1,1,1,2]         => 1
[3,2,1,1,2,3]             => 1
[3,2,2,3,1,1]             => 2
[3,2,2,2,1,2]             => 1
[3,2,2,1,1,3]             => 1
[3,2,3,4]                 => 2
[3,1,1,3,1,1,1,1]         => 1
[3,1,1,3,2,2]             => 1
[3,1,1,2,1,2,1,1]         => 2
[3,1,1,2,1,1,1,2]         => 2
[3,1,1,2,2,3]             => 1
[3,1,1,1,1,3,1,1]         => 1
[3,1,1,1,1,2,1,2]         => 2
[3,1,1,1,1,1,1,3]         => 1
[3,1,1,1,2,4]             => 1
[3,1,2,4,1,1]             => 1
[3,1,2,3,1,2]             => 2
[3,1,2,2,1,3]             => 2
[3,1,2,1,1,4]             => 2
[3,1,3,5]                 => 1
[4,4,1,1,1,1]             => 0
[4,4,2,2]                 => 0
[4,3,1,2,1,1]             => 1
[4,3,1,1,1,2]             => 1
[4,3,2,3]                 => 2
[4,2,1,3,1,1]             => 1
[4,2,1,2,1,2]             => 2
[4,2,1,1,1,3]             => 1
[4,2,2,4]                 => 2
[4,1,1,4,1,1]             => 1
[4,1,1,3,1,2]             => 2
[4,1,1,2,1,3]             => 2
[4,1,1,1,1,4]             => 1
[4,1,2,5]                 => 1
[5,5,1,1]                 => 0
[5,4,1,2]                 => 1
[5,3,1,3]                 => 1
[5,2,1,4]                 => 1
[5,1,1,5]                 => 1
[6,6]                     => 0

-----------------------------------------------------------------------------
Created: May 18, 2017 at 09:37 by Martin Rubey

-----------------------------------------------------------------------------
Last Updated: Jan 11, 2018 at 10:01 by Martin Rubey